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votes
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191 views

Is my colleague happy with me?

So I graduated last year with a chemical degree and I started working in a lab. I'm still pretty nervous about making mistakes, so when I had to prepare a tricky experimental setup, I wrote down what ...
5
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0answers
564 views

Coloured dot cipher

I, as a curious being, stumbled upon a page which had a hidden dot cipher in it. Part of the console states: [...] we left you a little message in the dots of the footer (Source: segment.com) The ...
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0answers
671 views

Need help with a cipher

I am trying to figure out a cipher I think I found in a book from 1982 and it's a 36 year old mystery we are trying to solve (I will reveal the book if this turns out to be something so everyone can ...
4
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0answers
59 views

Ernie and the Equi-area Tetrahedra

I enjoy spending time with Ernie when he is 'pottering' in his workshop. It is a large open-plan area filled with soldering-stations and oscilloscopes, lathes and milling machines, band-saws and drill-...
4
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0answers
207 views

Toilet Paper Math?

Ben stared in dismay at the hundreds of bits of paper scattered around his room. This was going to be a lot of work. His brother waltzed in and picked up a larger sheet. "Watchya doin' writin' ...
4
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0answers
335 views

A splash of Minecraft?

I was playing Minecraft the other day and came across a beautiful splash message. Subsequently, I was inspired to create a puzzle for it. Svir, look out below! Shorty's slang stays surprisingly stout....
4
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0answers
224 views

One vs many. Can white force a draw?

On an infinite chessboard there's a single white king and N black kings. The nearest black king must be K moves away from the white king. Given N, white dictates the value of (finite) K, then black ...
4
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129 views

What is the name of this hook-like puzzle?

I don't know the name of this puzzle but I'd like to be able to google it See the attached photo. (I've already search on G puzzle and Hook puzzle without any luck).
4
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0answers
154 views

Dashed number cipher

74393-493-71335-34393-1-83457102-377-13-57111-40129-3447-1-00-420-50371335-1-93057104-377-13-207-0340-737 Disclaimer: This cipher is not mine, but it was interesting and I managed to solve it. Credit:...
4
votes
1answer
289 views

A slightly different type of Sudoku puzzle

The following image shows two valid Sudokus. The first was copied verbatim off Wikipedia, and the second was obtained by rotating 90 degrees. Any two distinct valid Sudokus must differ in at least ...
4
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265 views

I have no idea what this means

Hmm? What's this? A room. Great. Great. As if the guards don't know I'm claustrophobic. There's a strange text on the wall: Ribna tifmagta resru, sunte no, renler sludted dtednsehnun rurdal slutakdal ...
4
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0answers
259 views

Again, the scientific one!

I am looking for an answer that consists of two parts(____ ____). The task is to somehow make sense of this word grid below with the help of the clue. Hint Hint2
4
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0answers
193 views

We name everything

Hint: We name everything. And then I mean everything. E V E R Y T H I N G. Hard to sum it all up. Well, have a go at it: 13/59-21/18 11/36/15/19(2)/14 12/1/19/37 17/17(2)/53/36(2)/31/43 32/...
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215 views

%#@& : $!*^ :: SOFT : 5697 :: 8924 :?

If %#@& is coded as $!*^ and SOFT is coded as 5697. ...
4
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0answers
354 views

Around The World

It's White to move and win against Black. Black plays optimally. Have fun! Oleg Pervakov and Karen Sumbatian, Shakmaty v SSSR 1990 P.S.-To me, it’s crazy that the title hasn’t been taken yet! Hint:
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774 views

Number Sequence Series-Question 7

This is a series of questions that are created by me. Here is question 7: (23),(55),(155),(1255),?,?,(56139611) I will give a hint to you guys in one month if nobody can solve it.
4
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234 views

Numerical puzzle

A friend of mine sent me this puzzle, to solve it you need to use: 1) basic arithmetic operations. 2) Multiple numeral systems.
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0answers
250 views

Will you win the game?

You play a gambling game. On 100 folded pieces of papers are written 100 different values. You cannot see the numbers written on the folded pieces of paper, which are grouped in a pile. You pay 10 ...
4
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0answers
175 views

Problem #NaN Fodder/Output

Inspired by Ben Franks' Input/Output Problem #1 and the others in the series Hint: Knowledge required is
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0answers
84 views

How to create a puzzle from a pre-existing, fixed data source?

Examples of what I mean: Instructions lead puzzlers to a library where the names of donors are inscribed on bricks out front. Along with some piece of information that is given to them on a piece of ...
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149 views

Honda tutu del moto - Words which say something

You find a paper lying on the sand. Does it mean something ... an imgur maze, maybe ? Cultures reserve glasses. Twin economists migrates with tails in a fine risk. Conglomerate ... voo dun saga waga ...
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0answers
197 views

What are these encrypted Starfield tweets saying?

There are a lot of rumors about Bethesda Softworks and/or Bethesda Game Studios announcing a new game at E3 this year, or even on May 14th (source). A key in this mystery is the trademark 'Starfield'. ...
4
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251 views

Can anyone decipher this?

My friend just sent me this 5627 4654554 With a keyword of 'Digital' Which is apparently going to make this have some sense: At first, it's difficult to understand. But once you read down, you ...
4
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0answers
238 views

The search for dracula - a puzzle

Me and some friends are playing a roleplay about Dracula in the modern age. Last night, we received the following puzzle from the game-master. (7 1 1 1 1) (17 8 8 8 8) (4313 2755) With the ...
3
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0answers
208 views

Mega-puzzle of many number puzzles: Nikoli Octathlon

This puzzle has been my Moby Dick of puzzles for so long. It's from MellowMelon's old puzzle site and is a Nikoli-based megapuzzle with eight sub-puzzles. I'm copying the puzzle image from there so as ...
3
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0answers
260 views

Answer to the question: "Who Wins?"

Crié ala caleverti miku'ilatmo doci pramilerfu Hint: Non-Youtube description of video contents (for accessibility/posterity purposes):
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0answers
277 views

Here's the song, now tell me the title!

You ever have it happen where you know how a song goes, but you forget its title? I've heard you guys are good at figuring stuff out for free, so I'll just drop some notes here and let you guys do ...
3
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0answers
131 views

Slow & Fast drivers

Let us define "fastness" as a characteristic of how fast/agressive a driver is. One aspect of this is the (maximum) time between a traffic light turning red and the driver deciding they have ...
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0answers
182 views

An Assortment of Letters

Can you figure out how I've split the below letters into their groups? Group 1 Group 2 D H L S F P T Y Group 1 Group 2 Group 3 C D H J N P V W Y L T M S B R Group 1 Group 2 Group 3 Group 4 Group ...
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0answers
341 views

Rare but Abundant in Hill and Hole

I am uncommon, But a worthy goal. Rare but abundant In hill and hole. Who am I? You may already know the answer, so the task is not to answer the riddle per se, but to solve the following 'What is a ...
3
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1answer
253 views

Patterns - they're everywhere!

You wake up in a room (again) that has two floors, Both have 3 puzzles. In order to escape, You have to find every answer in this order: Red Yellow Green Cyan Navy Pink and combine it together (eg if ...
3
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0answers
225 views

Code found written in chalk: "JSMYCTLYCTJCBEXD19"

The code I found on the sidewalk in chalk at my local courthouse is JSMYCTLYCTJCBEXD19 I have had trouble identifying the code type as well as the deciphered message. Any and all suggestions/help ...
3
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0answers
301 views

Fill in a 5x5 multiplicative magic square

Let's say you fill in a 5 by 5 square with the numbers 1, 2, ..., 25. Is there a way to fill it so that the product of the first row is equal to the product of the first column, the product of the ...
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0answers
176 views

The Author of a Note

After finding this note, I've pretty much gone to the ends of the earth to find the author's name. Maybe you can help me? Suppose I want my room to be a weird color. Something uncommon, like purple. ...
3
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0answers
120 views

The Mantra Riddle

A sentence that can never fail A broken foot without its tail Almost there... reverse one sound By turns mundane and quite profound. The mantra is your compass then Your watch to know exactly when It ...
3
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0answers
176 views

There are six of them today

All six are different. If we sort by small to large from the beginning, the third, fourth and sixth are the same. It was designed by the sculptor. Society over the smallest a drawing has been placed ...
3
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0answers
133 views

What is poetry, What is time, What is rhythm, What is rhyme?

The sun that hides underneath his belt, a new horizon, that none shall melt. What is a bird that never flies, or a heart that never dies? Can a man be saved by grace alone, or runs a river that cries. ...
3
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0answers
201 views

Infected Cylinder and Torus

A variant of the well known Infected Checkerboard problem. If we've a 𝑛x𝑛 square, then we fold it along top and bottom row to form a cylinder. A cell in this cylinder becomes infected if at least ...
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0answers
524 views

Help With Dan Brown's Unsolved Puzzle

Dan Brown has an unsolved message on his website https://danbrown.com/ There are hidden symbols on 5 JPG images and 5 PNG images that overlay the JPGs. JPG Images: int1.bg.jpg, int2.bg.jpg, int3.bg....
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0answers
131 views

The plant king's story

I am here tonight to pledge a hero's deed on knife's edge his kingdom's name is a plant find it in places moisture scant. The castle on the verge to fall, due to a flock of livings small. It was left ...
3
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0answers
115 views

Designing a new type of twisty puzzle

Recently, I was fiddling with my Rubik's cube and tried scrambling it only using R and U moves. I then tried to solve it using only R and U moves. I didn't use any cube rotations. It was an ...
3
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0answers
87 views

Methods to produce solvable deals in Klondike-solitaire?

About 20% of Klondike-solitaire deals are not solvable. My question is what are the best methods to produce only solvable deals? I thought about two options: Deal a random permutation, then try to ...
3
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0answers
143 views

Ideas on spatial puzzles for a city walk

Background. With the relaxation of covid-related restrictions, there was a need for intelligent city walks. Walk here is a moving between city objects by a certain (deterministic/stochastic) route. I ...
3
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0answers
181 views

The madness of a master

It was midnight. Mr. Holmes was suffering from abdominal pain, shortness of breath, pain in the bones, skin lesions and whatnot? So in this condition, why would Mr. Holmes drive to Brazilian Churches, ...
3
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0answers
295 views

What type of puzzles are the statue puzzles in Super Lucky's Tale, and what method should be used for solving them?

This question is about a set of puzzles in the video game "Super Lucky's Tale" (as well as its Nintendo Switch remake "New Super Lucky's Tale"). They are known as statue puzzles as ...
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0answers
117 views

Good family relationship

Mr.K's message: It's a beautiful day outside! Geese are flying. Remember that my favorite seafood is squid? It's best served with Java waterdropwort! Let's eat them next time we meet, dad. Also note ...
3
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0answers
276 views

The cryptic treasure hunt

I created this puzzle. This may be really challenging. But I assure you that there is a solid logic behind. (Note: Questions are cryptic) 1: Ucbemfol.jcancyf 2: Mwamebyr;assdpwhbporcrof; File 3: ...
3
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0answers
206 views

The obscure message

I created this puzzle. Find the message. q螣 s䈚 q蟝 v쀎 q蟾 q蠸 q襪 q褰 q弧 q螣 q襪 q蛡 q袈 q蟝 Hint 1: Hint 2: My other puzzles can be found here.
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0answers
133 views

Guess the puzzle described below

Who has trapped me inside my home Goes around the world oftenly alone. In the last year plan Was that place so good Got her name From some kind of wood Almost with all of them She shares her self ...
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0answers
197 views

Find Relation between the following numbers

If: $23×3=76$ $13×3=26$ $3×3=9$ $33×3=70$ Find $43×3=?$

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